PLC

PLCs and Machine Control

Used and surplus PLC CPUs, I/O modules, communication modules, and machine control parts for maintenance and replacement projects.

Total matching

1,412

In stock signals

1,359

Priced options

1,412

1,412 matching parts

Page 9 of 59 · Common brands: Siemens, Allen-Bradley, Mitsubishi, Omron, Schneider Electric

6FX1122-2AD02

Obsolete

SIEMENS 6FX1122-2AD02

Siemens

Condition: Ask for condition
Availability: In stock
Lead time: Lead time on quote

$329.25 - $6514 sourcesUpdated 40 days ago

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6FX1121-2BA03

Obsolete

SIEMENS 6FX1121-2BA03

Siemens

Condition: Ask for condition
Availability: In stock
Lead time: Lead time on quote

$609.92 - $2,6884 sourcesUpdated 40 days ago

RFQRequest quote →

6FX1118-4AA01

Obsolete

SIEMENS 6FX1118-4AA01

Siemens

Condition: Ask for condition
Availability: In stock
Lead time: Lead time on quote

$385.88 - $1,2424 sourcesUpdated 40 days ago

RFQRequest quote →

6FX1-123-6AL00

Obsolete

SIEMENS 6FX1-123-6AL00

Siemens

Condition: Ask for condition
Availability: In stock
Lead time: Lead time on quote

$8403 sourcesUpdated 40 days ago

RFQRequest quote →

6FM1721-3AA20

Obsolete

SIEMENS 6FM1721-3AA20

Siemens

Condition: Ask for condition
Availability: In stock
Lead time: Lead time on quote

$496.31 - $538.174 sourcesUpdated 40 days ago

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6FM1706-3AA20

Obsolete

SIEMENS 6FM1706-3AA20

Siemens

Condition: Ask for condition
Availability: In stock
Lead time: Lead time on quote

$1,650 - $2,528.654 sourcesUpdated 40 days ago

RFQRequest quote →

6FC5210-0DF00-0AA0

Obsolete

SIEMENS 6FC5210-0DF00-0AA0

Siemens

Condition: Ask for condition
Availability: In stock
Lead time: Lead time on quote

$1,867 - $2,4894 sourcesUpdated 40 days ago

RFQRequest quote →

6FC5111-0CA03-0AA2

Obsolete

SIEMENS 6FC5111-0CA03-0AA2

Siemens

Condition: Ask for condition
Availability: In stock
Lead time: Lead time on quote

$62.16 - $299.293 sourcesUpdated 40 days ago

RFQRequest quote →

6ES7972-4AA00-0XA0

Obsolete

SIEMENS 6ES7972-4AA00-0XA0

Siemens

Condition: Ask for condition
Availability: In stock
Lead time: Lead time on quote

$660 - $917.734 sourcesUpdated 40 days ago

RFQRequest quote →

6ES7972-0CB20-0XA0

Obsolete

SIEMENS 6ES7972-0CB20-0XA0

Siemens

Condition: Ask for condition
Availability: In stock
Lead time: Lead time on quote

$598 - $8194 sourcesUpdated 40 days ago

RFQRequest quote →

6ES7972-0CA34-0XA0

Obsolete

SIEMENS 6ES7972-0CA34-0XA0

Siemens

Condition: Ask for condition
Availability: In stock
Lead time: Lead time on quote

$250.293 sourcesUpdated 40 days ago

RFQRequest quote →

6ES7792-0AA00-0XA0

Obsolete

SIEMENS 6ES7792-0AA00-0XA0

Siemens

Condition: Ask for condition
Availability: In stock
Lead time: Lead time on quote

$3,167 - $3,8154 sourcesUpdated 40 days ago

RFQRequest quote →

6ES7630-0DA00-0AB0

Obsolete

SIEMENS 6ES7630-0DA00-0AB0

Siemens

Condition: Ask for condition
Availability: In stock
Lead time: Lead time on quote

$2,650.07 - $2,841.254 sourcesUpdated 40 days ago

RFQRequest quote →

6ES7461-0AA01-0AA0

SIEMENS 6ES7461-0AA01-0AA0

Siemens

Condition: Ask for condition
Availability: In stock
Lead time: Lead time on quote

$300 - $1,137.424 sourcesUpdated 40 days ago

RFQRequest quote →

6ES7455-0VS00-0AE0

SIEMENS 6ES7455-0VS00-0AE0

Siemens

Condition: Ask for condition
Availability: In stock
Lead time: Lead time on quote

$4,683 - $9,4024 sourcesUpdated 40 days ago

RFQRequest quote →

6ES7441-2AA03-0AE0

Obsolete

SIEMENS 6ES7441-2AA03-0AE0

Siemens

Condition: Ask for condition
Availability: In stock
Lead time: Lead time on quote

$499.22 - $521.294 sourcesUpdated 40 days ago

RFQRequest quote →

6ES7431-1KF00-0AB0

SIMATIC S7-400 SM 431 Analog Input Module, 8 AI, 13-bit, Isolated

Siemens

Condition: Ask for condition
Availability: In stock
Lead time: Lead time on quote

$1,222 - $2,6054 sourcesUpdated 40 days ago

RFQRequest quote →

SIMATIC S7-400 SM 421 Digital Input Module, 16 DI, Optically Isolated

6ES7421-1FH00-0AA0

Obsolete

SIMATIC S7-400 SM 421 Digital Input Module, 16 DI, Optically Isolated

Siemens

Condition: Ask for condition
Availability: In stock
Lead time: Lead time on quote

$317.66 - $382.724 sourcesUpdated 40 days ago

RFQRequest quote →

6ES7405-0KA02-0AA0

SIMATIC S7-400 PS405 power supply, 5 V DC 10 A

Siemens

Condition: Ask for condition
Availability: In stock
Lead time: Lead time on quote

$549 - $2,7104 sourcesUpdated 40 days ago

RFQRequest quote →

6ES7378-2AC00-0AC0

Obsolete

SIEMENS 6ES7378-2AC00-0AC0

Siemens

Condition: Ask for condition
Availability: In stock
Lead time: Lead time on quote

$300 - $411.124 sourcesUpdated 40 days ago

RFQRequest quote →

CP 341 Communications Processor, RS232C interface, for SIMATIC S7-300

6ES7341-1AH01-0AE0

Obsolete

CP 341 Communications Processor, RS232C interface, for SIMATIC S7-300

Siemens

Condition: Ask for condition
Availability: In stock
Lead time: Lead time on quote

$1,700 - $2,092.964 sourcesUpdated 40 days ago

RFQRequest quote →

6ES7340-1AH02-0AE0

SIMATIC S7-300 CP340 RS232C communications processor

Siemens

Condition: Ask for condition
Availability: In stock
Lead time: Lead time on quote

$373 - $2,5644 sourcesUpdated 40 days ago

RFQRequest quote →

6ES7322-5SD00-0AB0

SIEMENS 6ES7322-5SD00-0AB0

Siemens

Condition: Ask for condition
Availability: In stock
Lead time: Lead time on quote

$300 - $929.54 sourcesUpdated 40 days ago

RFQRequest quote →

6ES7322-1HF20-0AA0

Obsolete

SIEMENS 6ES7322-1HF20-0AA0

Siemens

Condition: Ask for condition
Availability: In stock
Lead time: Lead time on quote

$300 - $546.484 sourcesUpdated 40 days ago

RFQRequest quote →

Procurement notes for PLC

Send exact model + quantity + required condition to avoid cross-series mismatches.
Confirm firmware/hardware revision and connector variants for replacement compatibility.
Ask for photos/nameplate and test notes when buying used or refurbished units.

Need PLC sourcing help?

Send the exact model number, quantity, destination, and required condition for a current quote.

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